7.4
Section 7
Electrical System and Components
IDI Module Operation
ȱȱĚ¢ȱȱȱȱȱȱȱȱ
ȱǰȱȱȱęȱȱȱ
ȱȱ¢ȱǯȱȱȱ¢ȱȱȱȂȱ
ȱǯȱȱȱȱȱȱ
ȱǰȱȱȱȱȱȱȱȱǰȱ
ȱȱȱȱȱȱǯȱȱ
ȱȱ¢ȱȱȱęȱȱ
ȱ¢ȱȱȱǯȱȱȱȱęȱ
ȱȱǰȱȱȱȱȱȱȱȱ
ȱ¢ǯȱȱȱȱȱȱȱ
ȱȱȱ¢ȱȱȱȱ¢ǯȱȱ
ȱȱȱȱȱȱȱȬȬȱ
¡ȱȱȱȱȂȱǰȱȱȱȱȱ
ȱȱȱȱȱȱǯ
ȱ¢ȱȱȱȱȱDZ
ȱ Ȋȱ ǰȱ¢ȱĜ¡ȱȱĚ¢ǯ
ȱ Ȋȱ ȱȱȱȱǯ
ȱ Ȋȱ ǰȱȱȱȱȱ
ȱȱȱǯȱ
ȱ Ȋȱ ȱȱǻȱ¢ȱǼDzȱȱȱȱ
stop engine.
ȱ Ȋȱ ȱǰȱȱȱȱȱȱȱǯ
Troubleshooting and Testing Ignition
ȱȱȱȱĞȱȱȱȱȱȱ
ǯȱȱȱ¢ȱȱȱ
ȱȱ¡ȱǯȱȱȱȱȬȱ
ȱȱǰȱȱȱȱȱęȱ
¢ǯȱȱȱȱȱȱȱȱȱȱ
position.
ȱȱȱȱȱȱ¢ȱȱȱ
ȱȱȱȱȱȱȱȱȱǯȱȱȱ
¢ȱȱȱȱȱȱǰȱ
ȱȱȱȱȱȱ¢ȱȱ
ǯȱȱȱȱ¢ȱȱ
ȱȱȱȱǯȱ
ȱ¢ȱȱ¢ȱȱȱȱ
ǰȱǰȱȱȱȱȱ
information is provided to help systematically
ȱȱȱȱȱȱǯ
Figure 7-3. Inductive Discharge Ignition System.
Spark Plug
Kill Switch or Off
Position of Key Switch
Air Gap
0.254 mm
(0.010 in.)
Kill Terminal
Flywheel
Magnets
Ignition
Module
Ignition Module
(Enlarged View)
Spark Plug
Terminal (C)
Lamination (A)
Spark Plug Boot